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  1. zape

    A two phase AC motor

    Thank you all for your support. Sreid, I think you are right. The link you provided describes the use of a fixed voltage reference for a winding and a variable one for the secondary, and that's what I see in the drawings. There is a fixed reference to the main winding, and the output of a...
  2. zape

    A two phase AC motor

    I also posted this message in the electrical motors engineering forum but being a 400Hz question and this the aerospace forum.... who knows!! "I have a very old design (from the 70's) and the information I have is pretty poor. The schematics show a two phase AC motor which is supplied with a...
  3. zape

    A two phase AC motor

    I need help. I have a very old design (from the 70's) and the information I have is pretty poor. The schematics show a two phase AC motor which is supplied with a reference voltage of 26V@400Hz. A second voltage, used for control, is a 400Hz signal with a maximum of 13Vrms. I do not have...

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